WO2015120966A1 - Display device for a motor vehicle - Google Patents

Display device for a motor vehicle Download PDF

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Publication number
WO2015120966A1
WO2015120966A1 PCT/EP2015/000230 EP2015000230W WO2015120966A1 WO 2015120966 A1 WO2015120966 A1 WO 2015120966A1 EP 2015000230 W EP2015000230 W EP 2015000230W WO 2015120966 A1 WO2015120966 A1 WO 2015120966A1
Authority
WO
WIPO (PCT)
Prior art keywords
window
ring
annular counter
slab
display
Prior art date
Application number
PCT/EP2015/000230
Other languages
French (fr)
Inventor
Pascal Clochard
Arnaud DE GUIBERT
Jean-Philippe Bekaert
Original Assignee
Continental Automotive France
Continental Automotive Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Automotive France, Continental Automotive Gmbh filed Critical Continental Automotive France
Priority to CN201580008177.9A priority Critical patent/CN105980192B/en
Priority to US15/117,955 priority patent/US10094687B2/en
Publication of WO2015120966A1 publication Critical patent/WO2015120966A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
    • G01D13/02—Scales; Dials
    • G01D13/12—Graduation
    • G01D13/20—Graduation with luminescent markings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/215—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays characterised by the combination of multiple visual outputs, e.g. combined instruments with analogue meters and additional displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/332—Light emitting diodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/336—Light guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/341—Illumination of dials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/60—Structural details of dashboards or instruments
    • B60K2360/68—Features of instruments
    • B60K2360/693—Cover plate features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/60—Structural details of dashboards or instruments
    • B60K2360/68—Features of instruments
    • B60K2360/695—Dial features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/60—Structural details of dashboards or instruments
    • B60K2360/68—Features of instruments
    • B60K2360/698—Pointers of combined instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/60—Structural details of dashboards or instruments
    • B60K2360/68—Features of instruments
    • B60K2360/698—Pointers of combined instruments
    • B60K2360/6985—Pointers of combined instruments with only part of pointer being visible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/60—Structural details of dashboards or instruments
    • B60K2360/68—Features of instruments
    • B60K2360/698—Pointers of combined instruments
    • B60K2360/6992—Light conducting pointers

Definitions

  • the present invention relates to a display device for a motor vehicle of the type comprising at least one annular counter and a display panel having a display surface.
  • Motor vehicles include display devices for giving directions to the driver, such as, for example, the speed of the vehicle, the speed of the engine, its temperature, and the use of organs or warning lights in the event of accident. diagnosed dysfunction.
  • a display device with an annular counter in which a fixed scale is in the form of a portion of a circle and a needle pivots about an axis in the center of the portion of a circle. A portion of the needle crosses the scale to indicate a value.
  • the documents WO 2005/005931 A2, WO 2007 / 036474A1 and WO 2007 / 059928A1 show examples of such devices.
  • the needle is carried by a ring gear placed under the scale.
  • the crown is guided by rollers and is driven by a stepper motor through a pinion which meshes with the crown.
  • the central portion inside the crown can be occupied by other display elements.
  • the device of WO 2007 / 042322A1 is a counter which comprises a first needle pivotally mounted behind a dial and for some versions, a second coaxial needle and through the dial to pivot independently.
  • the documents WO 2008/095651 A2 and WO 201 1 / 047996A1 show a needle pivotally mounted behind a dial and bent to present a reading portion in front of the dial.
  • the invention aims to provide a combined display device for a motor vehicle comprising an annular counter and integrating a display panel having the largest possible dimensions.
  • the invention relates to a display device for a motor vehicle, the device comprising at least one annular counter and a display panel having a display surface intended to be oriented inwardly. of a passenger compartment of the vehicle, remarkable in that the device comprises a transparent window disposed opposite the display surface and serving as support for the annular counter, the window having marks at the periphery of the annular counter.
  • the transparent window there is a support for the annular counter to fix it in front of the display panel.
  • the glass is transparent, all surface elements of the slab that are not masked by the annular counter can be used to display information.
  • the dimensions of the slab are not constrained by the presence of the meter, and it is possible to use a slab of rectangular shape. This does not need to be specifically designed with respect to the display device.
  • the marks on the periphery of the meter serve for example graduations for it. They are in a plane very close to the counter which makes reliable reading of the counter, limiting the risks related to parallax. Particular effects are thus possible for the realization of the marks, for example by a frost more or less pronounced.
  • the counter is hollowed in its center to leave the surface of the slab apparent. It is thus possible to display information in the center of the meter.
  • the dimensions of the slab are greater than those of the meter. It is therefore possible to display information at the periphery of the annular counter.
  • the counter comprises a support ring fixed on the window.
  • the support ring comprises a ring extending on the window so as to cover the periphery of an opening and a tubular portion connected to the ring and passing through the opening.
  • the ring carries a covering of the opening cut in the window, by masking the periphery of the opening.
  • the tubular portion may further serve as a guide for other counter members.
  • the counter has a ring rotatably mounted and guided on the tubular portion, the ring carrying a needle projecting beyond the crown.
  • the needle being carried by a ring, the central part of the counter remains free and the surface of the slab is visible through this zone.
  • the ring and the needle are placed either between the window and the slab, or outside the window.
  • the advantage of the first option is that the needle is placed in a plane closer to the slab and reinforces the perception of integration between the slab and the meter; • the device comprises at least one light source at the periphery of the glass to illuminate the marks using the glass as a light guide;
  • the light source comprises an optical guide extending obliquely or perpendicularly to the window and having a return face facing a song of the window to return the light to the window. This limits the size of the device in the plane of the window;
  • a prism based on optical fibers is placed on the slab in the recess of the meter.
  • the optical fiber prism is composed of a multitude of optical fibers placed parallel to each other.
  • the prism has two opposite faces connected by the optical fibers. It is thus possible to deport the image generated by the slab so that it is perceived as coming from a plane in front of the slab.
  • FIG. 1 is a perspective view of a display device according to a first embodiment of the invention
  • FIG. 1 is a cutaway view of the display device of Figure 1;
  • FIG. 5 is a front view of a display device according to a second embodiment of the invention.
  • the front and rear orientations are considered with respect to the direction of observation by a user of the vehicle in which a display device according to the invention is installed.
  • the up and down orientation is given with respect to the normal mounting position of the device in the vehicle.
  • a display device for a motor vehicle comprises an annular counter 1 and a display panel 2 placed in the background of the annular counter 1.
  • a display surface 20 of the slab 2 is oriented towards the front, in other words towards the interior of a passenger compartment of the vehicle.
  • the slab 2 makes it possible to generate a visible image on the display surface 20.
  • the device is composed of a structure comprising the following elements:
  • a middle part 3 of rectangular outer shape and having a central recess of bean form
  • An electronic card 9 carried by the frame 8 and held at the rear of the slab 2.
  • the transparent pane 4 is arranged facing the display surface 20.
  • the window 4 also serves to support the annular counter 1.
  • the window 4 comprises an opening 40 through which a support ring 10 of the counter.
  • the support ring 10 comprises a ring 101 extending on the pane 4 so as to cover it at the periphery of the opening 40 and a tubular portion 102 connected to the ring 101 and passing through the opening 40.
  • the ring counter 1 comprises in addition a ring 1 1 rotatably mounted and guided on the tubular portion 102.
  • the ring 1 1 carries a needle 1 10 which protrudes beyond the ring 101 so as to be visible through the window 4.
  • a hood 12 is fitted on the tubular portion 102 and serves as a stop ring 1 1.
  • the middle part 3 comprises a housing 30 in which a stepper motor 31 is fixed.
  • the motor drives a pinion 32 which meshes with a toothing 1 1 1 of the ring January 1, so as to rotate it to a desired position.
  • the window 4 has marks 41 on the periphery of the annular meter 1 with which the needle 1 10 may be in correspondence to indicate for example a vehicle speed value or engine speed.
  • the annular counter 1 is hollowed in its center to leave the surface of the slab 2 apparent.
  • the dimensions of the slab 2 are greater than those of the annular counter 1 so that the slab 2 is also apparent through the window 4 beyond the periphery of the annular counter 1.
  • the display device comprises a light source 42 at the periphery of the pane 4 in order to illuminate the marks 41 by using the pane 4 as a light guide.
  • the light source 42 comprises an optical guide 420 extending perpendicular to the window 4 and housed in a slideway 33 of the middle part 3.
  • the optical guide 420 has a return face 4201 facing the edge of the window 4 to return the light to the window 4 and a receiving face 4202 opposite a series of light-emitting diodes 421 disposed on the electronic card 9.
  • the diodes 421 provide light to the optical guide 420 which transmits it to the glass through the deflection face 4201. Light is received by the marks 41 which thus appear bright, unlike the rest of the pane 4.
  • the motor 31 is driven by the electronic card 9 so as to rotate the ring January 1 and thus bring the needle 110 opposite one marks 41 to signify an indication.
  • the panel 2 also displays other useful information to the driver of the vehicle, which he can see in the center of the annular meter 1 or beyond the periphery thereof.
  • a prism based on optical fibers is disposed on the slab 2 in the recess of the annular meter 1 and has a rendering surface substantially in the plane of the window 4. It allows to deport the image generated by the slab 2 at the annular counter 1.
  • the display device comprises two annular counters 1a, b, arranged side by side. Each has its own motor, not shown, and is of the same constitution as in the first embodiment.
  • the invention is not limited to the embodiments that have just been described by way of example.
  • the light source could be placed directly on the periphery of the window, or have a greater number of optical guides.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instrument Panels (AREA)
  • Details Of Measuring Devices (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention relates to a display device for a motor vehicle, comprising at least an annular indicator (1) and a display panel (2) comprising a display surface (20) designed to face the interior of the vehicle. The device comprises a transparent pane of glass (4) arranged such that it faces the display surface (20) and acts as a support for the annular indicator (1).

Description

Dispositif d'affichage pour un véhicule automobile  Display device for a motor vehicle
La présente invention se rapporte à un dispositif d'affichage pour un véhicule automobile du genre comportant au moins un compteur annulaire et une dalle d'affichage comportant une surface d'affichage.  The present invention relates to a display device for a motor vehicle of the type comprising at least one annular counter and a display panel having a display surface.
Les véhicules automobiles comportent des dispositifs d'affichage pour donner des indications au conducteur, telles que par exemple la vitesse du véhicule, la vitesse de rotation du moteur, sa température et des témoins d'utilisation d'organes ou d'alerte en cas de dysfonctionnement diagnostiqué.  Motor vehicles include display devices for giving directions to the driver, such as, for example, the speed of the vehicle, the speed of the engine, its temperature, and the use of organs or warning lights in the event of accident. diagnosed dysfunction.
On trouve par exemple un dispositif d'affichage avec un compteur annulaire, dans lequel une échelle fixe est en forme de portion de cercle et une aiguille pivote autour d'un axe au centre de la portion de cercle. Une portion de l'aiguille croise l'échelle de manière à indiquer une valeur. Les documents WO 2005/005931 A2, WO 2007/036474A1 et WO 2007/059928A1 montrent des exemples de tels dispositifs. Dans ces dispositifs qui sont des compteurs annulaires, l'aiguille est portée par une couronne dentée placée sous l'échelle. La couronne est guidée par des galets et est entraînée par un moteur pas-à-pas par l'intermédiaire d'un pignon qui engrène avec la couronne. Ainsi, la partie centrale à l'intérieur de la couronne peut être occupée par d'autres éléments d'affichage.  For example, there is a display device with an annular counter in which a fixed scale is in the form of a portion of a circle and a needle pivots about an axis in the center of the portion of a circle. A portion of the needle crosses the scale to indicate a value. The documents WO 2005/005931 A2, WO 2007 / 036474A1 and WO 2007 / 059928A1 show examples of such devices. In these devices which are annular counters, the needle is carried by a ring gear placed under the scale. The crown is guided by rollers and is driven by a stepper motor through a pinion which meshes with the crown. Thus, the central portion inside the crown can be occupied by other display elements.
Le dispositif du document WO 2007/042322A1 est un compteur qui comporte une première aiguille montée pivotante derrière un cadran et pour certaines versions, une deuxième aiguille coaxiale et traversant le cadran pour pivoter de manière indépendante. De même les documents WO 2008/095651 A2 et WO 201 1/047996A1 montrent une aiguille montée pivotante derrière un cadran et recourbée pour présenter une partie de lecture devant le cadran.  The device of WO 2007 / 042322A1 is a counter which comprises a first needle pivotally mounted behind a dial and for some versions, a second coaxial needle and through the dial to pivot independently. Similarly, the documents WO 2008/095651 A2 and WO 201 1 / 047996A1 show a needle pivotally mounted behind a dial and bent to present a reading portion in front of the dial.
Les technologies actuelles permettent d'utiliser des dalles d'affichage de grandes dimensions afin d'afficher toutes les informations souhaitées. De telles technologies sont connues par exemple sous les sigles TFT, LCD ou plasma. Cependant, ces dalles sont le plus couramment de forme rectangulaire. La réalisation de dalles de forme spécifique serait prohibitive. Les contraintes de fixation des afficheurs à aiguille réduisent la taille qu'il est possible de conférer à de telles dalles dans des dispositifs d'affichage combinant les deux moyens d'affichage.  Current technologies allow the use of large display slabs to display all the desired information. Such technologies are known for example under the acronyms TFT, LCD or plasma. However, these slabs are most commonly rectangular in shape. The realization of slabs of specific shape would be prohibitive. The constraints of fixing the needle displays reduce the size that can be given to such slabs in display devices combining the two display means.
L'invention vise à fournir un dispositif d'affichage combiné pour véhicule automobile comportant un compteur annulaire et intégrant une dalle d'affichage ayant des dimensions les plus grandes possibles.  The invention aims to provide a combined display device for a motor vehicle comprising an annular counter and integrating a display panel having the largest possible dimensions.
Avec ces objectifs en vue, l'invention a pour objet un dispositif d'affichage pour un véhicule automobile, le dispositif comportant au moins un compteur annulaire et une dalle d'affichage comportant une surface d'affichage destinée à être orientée vers l'intérieur d'un habitacle du véhicule, remarquable en ce que le dispositif comporte une vitre transparente disposée en regard de la surface d'affichage et servant de support au compteur annulaire, la vitre comportant des marques en périphérie du compteur annulaire. With these objectives in view, the invention relates to a display device for a motor vehicle, the device comprising at least one annular counter and a display panel having a display surface intended to be oriented inwardly. of a passenger compartment of the vehicle, remarkable in that the device comprises a transparent window disposed opposite the display surface and serving as support for the annular counter, the window having marks at the periphery of the annular counter.
Grâce à la vitre transparente, on dispose d'un support pour le compteur annulaire afin de fixer celui-ci devant la dalle d'affichage. Du fait que la vitre est transparente, tous les éléments de surface de la dalle qui ne sont pas masqués par le compteur annulaire peuvent être utilisés pour afficher des informations. Les dimensions de la dalle ne sont pas contraintes par la présence du compteur, et il est possible d'utiliser une dalle de forme rectangulaire. Celle-ci n'a pas besoin d'être conçue de manière spécifique par rapport au dispositif d'affichage. Par ailleurs, les marques en périphérie du compteur servent par exemple de graduations pour celui-ci. Elles sont dans un plan très proche du compteur ce qui fiabilise la lecture du compteur, en limitant les risques liés au parallaxe. Des effets particuliers sont ainsi possibles pour la réalisation des marques, par exemple par un dépoli plus ou moins prononcé.  Thanks to the transparent window, there is a support for the annular counter to fix it in front of the display panel. Because the glass is transparent, all surface elements of the slab that are not masked by the annular counter can be used to display information. The dimensions of the slab are not constrained by the presence of the meter, and it is possible to use a slab of rectangular shape. This does not need to be specifically designed with respect to the display device. Moreover, the marks on the periphery of the meter serve for example graduations for it. They are in a plane very close to the counter which makes reliable reading of the counter, limiting the risks related to parallax. Particular effects are thus possible for the realization of the marks, for example by a frost more or less pronounced.
Selon un perfectionnement, le compteur est évidé en son centre pour laisser la surface de la dalle apparente. On peut ainsi afficher des informations au centre du compteur.  According to an improvement, the counter is hollowed in its center to leave the surface of the slab apparent. It is thus possible to display information in the center of the meter.
Selon une autre caractéristique, les dimensions de la dalle sont supérieures à celles du compteur. On peut donc afficher des informations en périphérie du compteur annulaire.  According to another characteristic, the dimensions of the slab are greater than those of the meter. It is therefore possible to display information at the periphery of the annular counter.
Selon une disposition constructive, le compteur comporte une bague de support fixée sur la vitre.  According to a constructive arrangement, the counter comprises a support ring fixed on the window.
De manière particulière, la bague de support comporte une couronne s'étendant sur la vitre de manière à la recouvrir en périphérie d'une ouverture et une partie tubulaire reliée à la couronne et traversant l'ouverture. La bague réalise un habillage de l'ouverture découpée dans la vitre, en masquant la périphérie de l'ouverture. La partie tubulaire peut servir en outre de guidage pour les autres organes du compteur.  In particular, the support ring comprises a ring extending on the window so as to cover the periphery of an opening and a tubular portion connected to the ring and passing through the opening. The ring carries a covering of the opening cut in the window, by masking the periphery of the opening. The tubular portion may further serve as a guide for other counter members.
Selon d'autres dispositions :  According to other provisions:
• le compteur comporte un anneau monté rotatif et guidé sur la partie tubulaire, l'anneau portant une aiguille faisant saillie au-delà de la couronne. L'aiguille étant portée par un anneau, la partie centrale du compteur reste libre et la surface de la dalle est visible au travers de cette zone. Selon l'orientation de la partie tubulaire de la bague, l'anneau et l'aiguille sont placées soit entre la vitre et la dalle, soit à l'extérieur de la vitre. L'avantage de la première option est que l'aiguille est placée dans un plan plus proche de la dalle et renforce la perception d'intégration entre la dalle et le compteur ; • le dispositif comporte au moins une source lumineuse en périphérie de la vitre afin d'éclairer les marques en se servant de la vitre comme guide de lumière ;• The counter has a ring rotatably mounted and guided on the tubular portion, the ring carrying a needle projecting beyond the crown. The needle being carried by a ring, the central part of the counter remains free and the surface of the slab is visible through this zone. Depending on the orientation of the tubular portion of the ring, the ring and the needle are placed either between the window and the slab, or outside the window. The advantage of the first option is that the needle is placed in a plane closer to the slab and reinforces the perception of integration between the slab and the meter; • the device comprises at least one light source at the periphery of the glass to illuminate the marks using the glass as a light guide;
• la source lumineuse comporte un guide optique s'étendant obliquement ou perpendiculairement à la vitre et comportant une face de renvoi en regard d'un chant de la vitre pour renvoyer la lumière vers la vitre. On limite ainsi l'encombrement du dispositif dans le plan de la vitre ; • The light source comprises an optical guide extending obliquely or perpendicularly to the window and having a return face facing a song of the window to return the light to the window. This limits the size of the device in the plane of the window;
• un prisme à base de fibres optiques est disposé sur la dalle dans l'évidement du compteur. Le prisme à fibres optiques est composé d'une multitude de fibres optiques placées parallèlement les unes aux autres. Le prisme comporte deux faces opposées reliées par les fibres optiques. On peut ainsi déporter l'image générée par la dalle afin quelle soit perçue comme provenant d'un plan en avant de la dalle.  A prism based on optical fibers is placed on the slab in the recess of the meter. The optical fiber prism is composed of a multitude of optical fibers placed parallel to each other. The prism has two opposite faces connected by the optical fibers. It is thus possible to deport the image generated by the slab so that it is perceived as coming from a plane in front of the slab.
L'invention sera mieux comprise et d'autres particularités et avantages apparaîtront à la lecture de la description qui va suivre, la description faisant référence aux dessins annexés parmi lesquels :  The invention will be better understood and other features and advantages will appear on reading the description which follows, the description referring to the appended drawings among which:
- la figure 1 est une vue en perspective d'un dispositif d'affichage selon un premier mode de réalisation de l'invention ;  FIG. 1 is a perspective view of a display device according to a first embodiment of the invention;
- la figure 2 est une vue en écorché du dispositif d'affichage de la figure 1 ; - Figure 2 is a cutaway view of the display device of Figure 1;
- la figure 3 est une vue en éclaté du dispositif d'affichage de la figure 1 ; - la figure 4 est une coupe partielle du dispositif de la figure 1 ; FIG. 3 is an exploded view of the display device of FIG. 1; - Figure 4 is a partial section of the device of Figure 1;
- la figure 5 est une vue de face d'un dispositif d'affichage selon un deuxième mode de réalisation de l'invention.  FIG. 5 is a front view of a display device according to a second embodiment of the invention.
Dans la description qui va suivre, les orientations avant et arrière sont considérées par rapport à la direction d'observation par un utilisateur du véhicule dans lequel un dispositif d'affichage selon l'invention est installé. L'orientation haut et bas est donnée par rapport à la position normale de montage du dispositif dans le véhicule.  In the following description, the front and rear orientations are considered with respect to the direction of observation by a user of the vehicle in which a display device according to the invention is installed. The up and down orientation is given with respect to the normal mounting position of the device in the vehicle.
Un dispositif d'affichage pour un véhicule automobile selon un premier mode de réalisation de l'invention, et représenté sur les figures 1 à 4, comporte un compteur annulaire 1 et une dalle 2 d'affichage placée en arrière-plan du compteur annulaire 1. Ainsi, une surface d'affichage 20 de la dalle 2 est orientée vers l'avant, autrement dit vers l'intérieur d'un habitacle du véhicule. La dalle 2 permet de générer une image visible sur la surface d'affichage 20.  A display device for a motor vehicle according to a first embodiment of the invention, and shown in FIGS. 1 to 4, comprises an annular counter 1 and a display panel 2 placed in the background of the annular counter 1. Thus, a display surface 20 of the slab 2 is oriented towards the front, in other words towards the interior of a passenger compartment of the vehicle. The slab 2 makes it possible to generate a visible image on the display surface 20.
Le dispositif est composé d'une structure comportant les éléments suivants : The device is composed of a structure comprising the following elements:
• une carrure 3, de forme extérieure rectangulaire et comportant un évidement central de forme de haricot ; • A middle part 3, of rectangular outer shape and having a central recess of bean form;
• une vitre 4 transparente ajustée en périphérie de l'évidement central de manière à être centrée sur la carrure 3 ; • une lunette 5 s'emboîtant sur la carrure 3 de manière à plaquer la vitre 4 contre la carrure 3 en la pinçant sur sa périphérie ; A transparent window 4 fitted at the periphery of the central recess so as to be centered on the middle part 3; • A bezel 5 fitting on the middle part 3 so as to press the window 4 against the middle part 3 by pinching on its periphery;
• un écran 6 transparent fixé sur la lunette 5 ;  A transparent screen 6 fixed on the telescope 5;
• un masque 7 reçu par la carrure 3 à l'opposé de la vitre 4 ;  A mask 7 received by the caseband 3 opposite the window 4;
« un cadre 8 s'emboîtant dans la carrure 3 et plaquant le masque 7 contre elle ; le cadre 8 porte la dalle 2 et la plaque contre le masque 7 ;  "A frame 8 fitting into the middle part 3 and pressing the mask 7 against it; the frame 8 carries the slab 2 and the plate against the mask 7;
• une carte électronique 9 portée par le cadre 8 et maintenue à l'arrière de la dalle 2.  An electronic card 9 carried by the frame 8 and held at the rear of the slab 2.
Ainsi, la vitre 4 transparente est disposée en regard de la surface d'affichage 20.  Thus, the transparent pane 4 is arranged facing the display surface 20.
La vitre 4 sert en outre de support au compteur annulaire 1. Pour cela, elle comporte une ouverture 40 traversée par une bague de support 10 du compteur. La bague de support 10 comporte une couronne 101 s'étendant sur la vitre 4 de manière à la recouvrir en périphérie de l'ouverture 40 et une partie tubulaire 102 reliée à la couronne 101 et traversant l'ouverture 40. Le compteur annulaire 1 comporte en outre un anneau 1 1 monté rotatif et guidé sur la partie tubulaire 102. L'anneau 1 1 porte une aiguille 1 10 qui fait saillie au-delà de la couronne 101 de manière à être visible à travers la vitre 4. Un capot 12 est emboîté sur la partie tubulaire 102 et sert de butée à l'anneau 1 1. La carrure 3 comporte un logement 30 dans lequel un moteur pas-à-pas 31 est fixé. Le moteur entraîne un pignon 32 qui engrène avec une denture 1 1 1 de l'anneau 1 1 , de manière à le faire pivoter à une position souhaitée. La vitre 4 comporte des marques 41 en périphérie du compteur annulaire 1 avec lesquelles l'aiguille 1 10 peut se trouver en correspondance pour indiquer par exemple une valeur de vitesse du véhicule ou un régime du moteur.  The window 4 also serves to support the annular counter 1. For this, it comprises an opening 40 through which a support ring 10 of the counter. The support ring 10 comprises a ring 101 extending on the pane 4 so as to cover it at the periphery of the opening 40 and a tubular portion 102 connected to the ring 101 and passing through the opening 40. The ring counter 1 comprises in addition a ring 1 1 rotatably mounted and guided on the tubular portion 102. The ring 1 1 carries a needle 1 10 which protrudes beyond the ring 101 so as to be visible through the window 4. A hood 12 is fitted on the tubular portion 102 and serves as a stop ring 1 1. The middle part 3 comprises a housing 30 in which a stepper motor 31 is fixed. The motor drives a pinion 32 which meshes with a toothing 1 1 1 of the ring January 1, so as to rotate it to a desired position. The window 4 has marks 41 on the periphery of the annular meter 1 with which the needle 1 10 may be in correspondence to indicate for example a vehicle speed value or engine speed.
Le compteur annulaire 1 est évidé en son centre pour laisser la surface de la dalle 2 apparente. De plus, les dimensions de la dalle 2 sont supérieures à celles du compteur annulaire 1 de telle sorte que la dalle 2 est également apparente à travers la vitre 4 au-delà de la périphérie du compteur annulaire 1.  The annular counter 1 is hollowed in its center to leave the surface of the slab 2 apparent. In addition, the dimensions of the slab 2 are greater than those of the annular counter 1 so that the slab 2 is also apparent through the window 4 beyond the periphery of the annular counter 1.
Le dispositif d'affichage comporte une source lumineuse 42 en périphérie de la vitre 4 afin d'éclairer les marques 41 en se servant de la vitre 4 comme guide de lumière. La source lumineuse 42 comporte un guide optique 420 s'étendant perpendiculairement à la vitre 4 et logé dans une glissière 33 de la carrure 3. Le guide optique 420 comporte une face de renvoi 4201 en regard du chant de la vitre 4 pour renvoyer la lumière vers la vitre 4 et une face de réception 4202 en regard d'une série de diodes électroluminescentes 421 disposées sur la carte électronique 9.  The display device comprises a light source 42 at the periphery of the pane 4 in order to illuminate the marks 41 by using the pane 4 as a light guide. The light source 42 comprises an optical guide 420 extending perpendicular to the window 4 and housed in a slideway 33 of the middle part 3. The optical guide 420 has a return face 4201 facing the edge of the window 4 to return the light to the window 4 and a receiving face 4202 opposite a series of light-emitting diodes 421 disposed on the electronic card 9.
En fonctionnement, les diodes 421 fournissent de la lumière au guide optique 420 qui la transmet à la vitre grâce à la face de renvoi 4201 . La lumière est reçue par les marques 41 qui ainsi apparaissent lumineuses, contrairement au reste de la vitre 4. Le moteur 31 est piloté par la carte électronique 9 de manière à faire pivoter l'anneau 1 1 et ainsi amener l'aiguille 110 en regard de l'une des marques 41 pour signifier une indication. La dalle 2 affiche par ailleurs d'autres informations utiles au conducteur du véhicule, qu'il peut voir au centre du compteur annulaire 1 ou au-dela de la périphérie de celui-ci. In operation, the diodes 421 provide light to the optical guide 420 which transmits it to the glass through the deflection face 4201. Light is received by the marks 41 which thus appear bright, unlike the rest of the pane 4. The motor 31 is driven by the electronic card 9 so as to rotate the ring January 1 and thus bring the needle 110 opposite one marks 41 to signify an indication. The panel 2 also displays other useful information to the driver of the vehicle, which he can see in the center of the annular meter 1 or beyond the periphery thereof.
Selon un perfectionnement, non représenté, un prisme à base de fibres optiques est disposé sur la dalle 2 dans l'évidement du compteur annulaire 1 et comporte une surface de rendu sensiblement dans le plan de la vitre 4. Il permet ainsi de déporter l'image générée par la dalle 2 au niveau du compteur annulaire 1.  According to an improvement, not shown, a prism based on optical fibers is disposed on the slab 2 in the recess of the annular meter 1 and has a rendering surface substantially in the plane of the window 4. It allows to deport the image generated by the slab 2 at the annular counter 1.
Selon un deuxième mode de réalisation de l'invention, montré sur la figure 5, le dispositif d'affichage comporte deux compteurs annulaires 1a, b, disposés côte-à-côte. Chacun comporte son propre moteur, non représenté, et est de même constitution que dans le premier mode de réalisation.  According to a second embodiment of the invention, shown in Figure 5, the display device comprises two annular counters 1a, b, arranged side by side. Each has its own motor, not shown, and is of the same constitution as in the first embodiment.
L'invention n'est pas limitée aux modes de réalisation qui viennent d'être décrits uniquement à titre d'exemple. La source lumineuse pourrait être placée directement en périphérie de la vitre, ou comporter un plus grand nombre de guides optiques.  The invention is not limited to the embodiments that have just been described by way of example. The light source could be placed directly on the periphery of the window, or have a greater number of optical guides.

Claims

REVENDICATIONS
1. Dispositif d'affichage pour un véhicule automobile, le dispositif comportant au moins un compteur annulaire (1 ) et une dalle (2) d'affichage comportant une surface d'affichage (20) destinée à être orientée vers l'intérieur d'un habitacle du véhicule, le dispositif comportant une vitre (4) transparente disposée en regard de la surface d'affichage (20) et servant de support au compteur annulaire (1 ) évidé en son centre pour laisser la surface de la dalle (2) apparente, la vitre (4) comportant des marques (41 ) en périphérie du compteur annulaire (1 ), le dispositif étant caractérisé en ce que les dimensions de la dalle (2) sont supérieures à celles du compteur annulaire (1 ).  1. Display device for a motor vehicle, the device comprising at least one annular counter (1) and a display plate (2) having a display surface (20) intended to be oriented towards the inside of the vehicle. a passenger compartment of the vehicle, the device comprising a transparent window (4) arranged opposite the display surface (20) and serving as support for the annular counter (1) hollowed out at its center to leave the surface of the slab (2) apparent, the window (4) having marks (41) at the periphery of the annular counter (1), the device being characterized in that the dimensions of the slab (2) are greater than those of the annular counter (1).
2. Dispositif selon la revendication 1 , dans lequel le compteur annulaire (1 ) comporte une bague de support (10) fixée sur la vitre (4).  2. Device according to claim 1, wherein the annular counter (1) comprises a support ring (10) fixed on the window (4).
3. Dispositif selon la revendication 2, dans lequel la bague de support (10) comporte une couronne (101 ) s'étendant sur la vitre (4) de manière à la recouvrir en périphérie d'une ouverture (40) et une partie tubulaire (102) reliée à la couronne (101 ) et traversant l'ouverture (40).  3. Device according to claim 2, wherein the support ring (10) comprises a ring (101) extending on the pane (4) so as to cover the periphery of an opening (40) and a tubular portion. (102) connected to the ring gear (101) and passing through the opening (40).
4. Dispositif selon la revendication s, dans lequel le compteur annulaire (1 ) comporte un anneau (1 ) monté rotatif et guidé sur la partie tubulaire (102), l'anneau (1 1 ) portant une aiguille (1 10) faisant saillie au-delà de la couronne (101 ). 4. Device according to claim s, wherein the annular counter (1) comprises a ring (1) rotatably mounted and guided on the tubular portion (102), the ring (1 1) carrying a needle (1 10) protruding beyond the crown (101).
5. Dispositif selon la revendication 1 , caractérisé en ce qu'il comporte au moins une source lumineuse (42) en périphérie de la vitre (4) afin d'éclairer les marques (41 ) en se servant de la vitre (4) comme guide de lumière.  5. Device according to claim 1, characterized in that it comprises at least one light source (42) at the periphery of the window (4) to illuminate the marks (41) by using the window (4) as light guide.
6. Dispositif selon la revendication 5, dans lequel la source lumineuse (42) comporte un guide optique s'étendant obliquement ou perpendiculairement à la vitre (4) et comportant une face de renvoi en regard d'un chant de la vitre (4) pour renvoyer la lumière vers la vitre (4).  6. Device according to claim 5, wherein the light source (42) comprises an optical guide extending obliquely or perpendicularly to the pane (4) and having a return face facing a edge of the pane (4). to return the light to the window (4).
7. Dispositif selon l'une quelconque des revendications précédentes, dans lequel un prisme à base de fibres optiques est disposé sur la dalle (2) dans l'évidement du compteur annulaire (1 ). 7. Device according to any one of the preceding claims, wherein a prism based optical fibers is disposed on the slab (2) in the recess of the annular counter (1).
PCT/EP2015/000230 2014-02-12 2015-02-05 Display device for a motor vehicle WO2015120966A1 (en)

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WO2017183306A1 (en) * 2016-04-20 2017-10-26 株式会社デンソー Display device

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CN105980192A (en) 2016-09-28
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FR3017340B1 (en) 2017-07-14
CN105980192B (en) 2019-10-15
US10094687B2 (en) 2018-10-09

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